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Single Mode fiber
(850 nm band)

Fujikura fibers have a structure suitable for fusion splicing and optical connectors based on fiber design and manufacturing technologies developed over many years. This 850 nm single-mode fiber meets market demands with cladding diameters of 80 μm and 125 μm.


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Features

・850nm band single mode fiber
・RCHA85-SM-U17C is 80μm cladding diameter and High refractive index type.
・RoHS compliant

Specifications

 SM85-SM-U25DRCHA85-SM-U17C
Wavelength band850 nm band
Mode field diameter (μm)5.5 ± 1.0 @ 850 nm3.5 ± 0.5 @ 850 nm
Concentricity error (μm)≤ 0.7≤ 1.0
Cladding diameter
(Major diameter) (μm)
125 ± 180 ± 1
Attenuation (dB/km)≤ 3.0 @ 850 nm
Cutoff wavelength (μm)≤ 0.780.65 – 0.80
Minimum bending radius1 % proof test level:R30 mm(*)
2 % proof test level:R20 mm
Coating materialUV curable resin
Coating diameter (μm)245 ± 15245 ± 15

Cross-section image

*1% proof test level is standard. 2% proof test level is available, and code ‘-H’ is added at the end of the product name. (e.g., SM85-SM-U25D-H)

*1% proof test level is standard. 2% proof test level is available, and code ‘-H’ is added at the end of the product name. (e.g., SM85-SM-U25D-H)